Re: enumerating hosts behind a NAT box

From: Erik Kamerling (ekamerling@snaplen.com)
Date: Fri Jun 10 2005 - 12:02:51 EDT


Idle scanning was conceived by Salvatore Sanfilippo in 1998 - before this
paper was published I believe.

This paper may provide you with some good info as well.
http://www.caida.org/outreach/papers/2005/fingerprinting/

Best wishes and Good Luck! :-)

Erik Kamerling

On Friday 10 June 2005 11:49, Todd Towles wrote:
> "A Technique for Counting NATted Hosts" - AT&T Labs Research
> http://www.cs.columbia.edu/~smb/papers/fnat.pdf
>
> It uses the IPID, like in Idlescanning. I can't remember exactly, but I
> think it was this paper that sparked the whole idlescanning idea, but I
> could be confused.
>
> -Todd
>
> > -----Original Message-----
> > From: Zuromski, Brian [mailto:brzurom@tycho.ncsc.mil]
> > Sent: Friday, June 10, 2005 10:25 AM
> > To: 'pen-test@securityfocus.com'
> > Subject: enumerating hosts behind a NAT box
> >
> > hello,
> > I'm trying to design a network mapping program and
> > need to know if there is a way to pickup (identify, count, os
> > identification) any hosts behind a NAT box. Also identifying
> > a NAT box in the first place would be
> > useful. Anyone have any luck doing so before or know of a way?
> >
> > Thanks
> > ~Brian



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